Is Shounen Sunday CM: Denpa Kyoushi hentai?
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.
CM · 2012 · 2 episodes · PG-13 - Teens 13 or older
Comedy, School, Shounen
Two short anime clips, produced by A-1 Pictures and serving as promotion for the manga. (Source: Wikipedia)
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